Home / 25,085.44-34,607.10-15,637.60

Finding the Fourth Proportional to 25,085.44, 34,607.10 and 15,637.60

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Solution

The fourth proportional to 25,085.44, 34,607.10 and 15,637.60 is: 21,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.44 : 34,607.10 = 15,637.60 : x
  2. Step 2: Convert to fraction form
    25,085.44/34,607.10 = 15,637.60/x
  3. Step 3: Cross multiply
    25,085.44x = 34,607.10 × 15,637.60
  4. Step 4: Simplify right side
    25,085.44x = 541,171,986.96
  5. Step 5: Solve for x
    x = 541,171,986.96/25,085.44
  6. Step 6: Final answer
    x = 21,573.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.